2288968890 has 32 divisors (see below), whose sum is σ = 5916105216. Its totient is φ = 563438400.

The previous prime is 2288968867. The next prime is 2288968907. The reversal of 2288968890 is 988698822.

2288968890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934186 + ... + 2934965.

It is an arithmetic number, because the mean of its divisors is an integer number (184878288).

Almost surely, 2^2288968890 is an apocalyptic number.

2288968890 is an abundant number, since it is smaller than the sum of its proper divisors (3627136326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2288968890 is a wasteful number, since it uses less digits than its factorization.

2288968890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869174.

The product of its (nonzero) digits is 7962624, while the sum is 60.

The square root of 2288968890 is about 47843.1697319482. The cubic root of 2288968890 is about 1317.8924299106.

The spelling of 2288968890 in words is "two billion, two hundred eighty-eight million, nine hundred sixty-eight thousand, eight hundred ninety".